Folding lock



FIG. 1 is a front perspective view of a folding lock showing my new design;

FIG. 2 is a rear perspective view of a folding lock showing my new design;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and

FIG. 9 is a perspective view thereof, showing the folding lock in an alternate configuration of use; and,

FIG. 10 is another perspective view thereof, showing the folding lock in an alternate configuration of use.

The broken lines in the drawings depict portions of the folding lock that form no part of the claimed design. 

CLAIM The ornamental design for a folding lock, as shown and described. 